Avoid potential negative array index access to cached text.
[LibreOffice.git] / toolkit / source / controls / unocontrolbase.cxx
blob134e7b181b38b533ab9ac3703a7dbc4f9b946fd5
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include <com/sun/star/awt/XLayoutConstrains.hpp>
21 #include <com/sun/star/awt/XTextLayoutConstrains.hpp>
22 #include <com/sun/star/beans/XPropertySet.hpp>
23 #include <com/sun/star/beans/XMultiPropertySet.hpp>
25 #include <toolkit/controls/unocontrolbase.hxx>
26 #include <helper/property.hxx>
28 #include <tools/debug.hxx>
30 using namespace com::sun::star;
35 bool UnoControlBase::ImplHasProperty( sal_uInt16 nPropId )
37 const OUString& aPropName( GetPropertyName( nPropId ) );
38 return ImplHasProperty( aPropName );
41 bool UnoControlBase::ImplHasProperty( const OUString& aPropertyName )
43 css::uno::Reference< css::beans::XPropertySet > xPSet( mxModel, css::uno::UNO_QUERY );
44 if ( !xPSet.is() )
45 return false;
46 css::uno::Reference< css::beans::XPropertySetInfo > xInfo = xPSet->getPropertySetInfo();
47 if ( !xInfo.is() )
48 return false;
50 return xInfo->hasPropertyByName( aPropertyName );
53 void UnoControlBase::ImplSetPropertyValues( const css::uno::Sequence< OUString >& aPropertyNames, const css::uno::Sequence< css::uno::Any >& aValues, bool bUpdateThis )
55 css::uno::Reference< css::beans::XMultiPropertySet > xMPS( mxModel, css::uno::UNO_QUERY );
56 if ( !mxModel.is() )
57 return;
59 DBG_ASSERT( xMPS.is(), "UnoControlBase::ImplSetPropertyValues: no multi property set interface!" );
60 if ( !xMPS.is() )
61 return;
63 if ( !bUpdateThis )
64 ImplLockPropertyChangeNotifications( aPropertyNames, true );
66 try
68 xMPS->setPropertyValues( aPropertyNames, aValues );
70 catch( const css::uno::Exception& )
72 if ( !bUpdateThis )
73 ImplLockPropertyChangeNotifications( aPropertyNames, false );
75 if ( !bUpdateThis )
76 ImplLockPropertyChangeNotifications( aPropertyNames, false );
79 void UnoControlBase::ImplSetPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue, bool bUpdateThis )
81 // Model might be logged off already but an event still fires
82 if ( !mxModel.is() )
83 return;
85 css::uno::Reference< css::beans::XPropertySet > xPSet( mxModel, css::uno::UNO_QUERY );
86 if ( !bUpdateThis )
87 ImplLockPropertyChangeNotification( aPropertyName, true );
89 try
91 xPSet->setPropertyValue( aPropertyName, aValue );
93 catch( const css::uno::Exception& )
95 if ( !bUpdateThis )
96 ImplLockPropertyChangeNotification( aPropertyName, false );
97 throw;
99 if ( !bUpdateThis )
100 ImplLockPropertyChangeNotification( aPropertyName, false );
103 css::uno::Any UnoControlBase::ImplGetPropertyValue( const OUString& aPropertyName ) const
105 css::uno::Reference< css::beans::XPropertySet > xPSet( mxModel, css::uno::UNO_QUERY );
106 if ( xPSet.is() )
107 return xPSet->getPropertyValue( aPropertyName );
108 else
109 return css::uno::Any();
112 template <typename T> T UnoControlBase::ImplGetPropertyValuePOD( sal_uInt16 nProp )
114 T t(0);
115 if ( mxModel.is() )
117 css::uno::Any aVal = ImplGetPropertyValue( GetPropertyName( nProp ) );
118 aVal >>= t;
120 return t;
123 template <typename T> T UnoControlBase::ImplGetPropertyValueClass( sal_uInt16 nProp )
125 T t;
126 if ( mxModel.is() )
128 css::uno::Any aVal = ImplGetPropertyValue( GetPropertyName( nProp ) );
129 aVal >>= t;
131 return t;
134 bool UnoControlBase::ImplGetPropertyValue_BOOL( sal_uInt16 nProp )
136 return ImplGetPropertyValuePOD<bool>(nProp);
139 sal_Int16 UnoControlBase::ImplGetPropertyValue_INT16( sal_uInt16 nProp )
141 return ImplGetPropertyValuePOD<sal_Int16>(nProp);
144 sal_Int32 UnoControlBase::ImplGetPropertyValue_INT32( sal_uInt16 nProp )
146 return ImplGetPropertyValuePOD<sal_Int32>(nProp);
149 double UnoControlBase::ImplGetPropertyValue_DOUBLE( sal_uInt16 nProp )
151 return ImplGetPropertyValuePOD<double>(nProp);
154 OUString UnoControlBase::ImplGetPropertyValue_UString( sal_uInt16 nProp )
156 return ImplGetPropertyValueClass<OUString>(nProp);
159 util::Date UnoControlBase::ImplGetPropertyValue_Date( sal_uInt16 nProp )
161 return ImplGetPropertyValueClass<util::Date>(nProp);
164 util::Time UnoControlBase::ImplGetPropertyValue_Time( sal_uInt16 nProp )
166 return ImplGetPropertyValueClass<util::Time>(nProp);
169 css::awt::Size UnoControlBase::Impl_getMinimumSize()
171 css::awt::Size aSz;
172 css::uno::Reference< css::awt::XWindowPeer > xP = ImplGetCompatiblePeer();
173 DBG_ASSERT( xP.is(), "Layout: No Peer!" );
174 if ( xP.is() )
176 css::uno::Reference< css::awt::XLayoutConstrains > xL( xP, css::uno::UNO_QUERY );
177 if ( xL.is() )
178 aSz = xL->getMinimumSize();
180 if ( !getPeer().is() || ( getPeer() != xP ) )
181 xP->dispose();
183 return aSz;
186 css::awt::Size UnoControlBase::Impl_getPreferredSize()
188 css::awt::Size aSz;
189 css::uno::Reference< css::awt::XWindowPeer > xP = ImplGetCompatiblePeer();
190 DBG_ASSERT( xP.is(), "Layout: No Peer!" );
191 if ( xP.is() )
193 css::uno::Reference< css::awt::XLayoutConstrains > xL( xP, css::uno::UNO_QUERY );
194 if ( xL.is() )
195 aSz = xL->getPreferredSize();
197 if ( !getPeer().is() || ( getPeer() != xP ) )
198 xP->dispose();
200 return aSz;
203 css::awt::Size UnoControlBase::Impl_calcAdjustedSize( const css::awt::Size& rNewSize )
205 css::awt::Size aSz;
206 css::uno::Reference< css::awt::XWindowPeer > xP = ImplGetCompatiblePeer();
207 DBG_ASSERT( xP.is(), "Layout: No Peer!" );
208 if ( xP.is() )
210 css::uno::Reference< css::awt::XLayoutConstrains > xL( xP, css::uno::UNO_QUERY );
211 if ( xL.is() )
212 aSz = xL->calcAdjustedSize( rNewSize );
214 if ( !getPeer().is() || ( getPeer() != xP ) )
215 xP->dispose();
217 return aSz;
220 css::awt::Size UnoControlBase::Impl_getMinimumSize( sal_Int16 nCols, sal_Int16 nLines )
222 css::awt::Size aSz;
223 css::uno::Reference< css::awt::XWindowPeer > xP = ImplGetCompatiblePeer();
224 DBG_ASSERT( xP.is(), "Layout: No Peer!" );
225 if ( xP.is() )
227 css::uno::Reference< css::awt::XTextLayoutConstrains > xL( xP, css::uno::UNO_QUERY );
228 if ( xL.is() )
229 aSz = xL->getMinimumSize( nCols, nLines );
231 if ( !getPeer().is() || ( getPeer() != xP ) )
232 xP->dispose();
234 return aSz;
237 void UnoControlBase::Impl_getColumnsAndLines( sal_Int16& nCols, sal_Int16& nLines )
239 css::uno::Reference< css::awt::XWindowPeer > xP = ImplGetCompatiblePeer();
240 DBG_ASSERT( xP.is(), "Layout: No Peer!" );
241 if ( xP.is() )
243 css::uno::Reference< css::awt::XTextLayoutConstrains > xL( xP, css::uno::UNO_QUERY );
244 if ( xL.is() )
245 xL->getColumnsAndLines( nCols, nLines );
247 if ( !getPeer().is() || ( getPeer() != xP ) )
248 xP->dispose();
253 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */